#2777B1#2777B1

#2777B1 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.9% C 0.118 H 244.7°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#2777B1
RGB	rgb(39, 119, 177)
HSL	hsl(205, 64%, 42%)
HSV	hsv(205, 78%, 69%)
CMYK	cmyk(78%, 32.8%, 0%, 30.6%)
CIE-LAB	lab(48.00, -3.50, -37.53)
CIE-LCH	lch(48.00, 37.70, 264.68°)
OKLab	oklab(54.94% -0.0504 -0.1065)
OKLCH	oklch(54.94% 0.118 244.7)
XYZ	xyz(15.3663, 16.7975, 44.0188)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2777B1 #B16127

analogous

#27B1A6 #2777B1 #2732B1

triadic

#2777B1 #B12777 #77B127

tetradic

#2777B1 #A627B1 #B16127 #32B127

square

#2777B1 #A627B1 #B16127 #32B127

split-complementary

#2777B1 #B12732 #B1A627

monochromatic

#11344D #1C557F #2777B1 #4096D5 #72B2E0

Accessibility & contrast

On white

4.82

#2777B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#2777B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2777B1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2777B1	#FFFFFF	#000000	##FFFFFF
##2777B1	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C79B3

Deuteranopia (green-blind)

#496CB0

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2777b1;
/* rgb */ color: rgb(39, 119, 177);
/* oklch */ color: oklch(54.9% 0.118 244.7);

Tailwind

colors: {
  custom: {
    50: '#769ec8',
    500: '#2777b1',
    950: '#000000',
  },
}

SCSS

$custom: #2777b1;
$custom-light: #769ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2777b1",
  "rgb": {
    "r": 39,
    "g": 119,
    "b": 177
  },
  "hsl": {
    "h": 205.217,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54944,
    "c": 0.11786,
    "h": 244.7
  },
  "luminance": 0.16799
}

Semantic roles & 50–950 ramp

primary

#2777B1

secondary

#C7936D

accent

#8741E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2777B1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →